Morgan solved the following problem: 76-43. She got a difference of 33. Check with addition to see if Morgan got the correct answer.
Morgan did get the correct answer.
100
There were seventy-seven birds in a tree which is twelve meters tall, but thirty-eight of them flew away. How many birds are left in the tree?
There are 39 birds left in the tree.
200
58-44
14
200
Is this equation true?
45-15=30
True
200
654-156
498
200
Keisean solved the following problem: 57-18. He got a difference of 41. Check with addition to see if Keisean got the correct answer.
Keisean did not get the correct answer.
200
Dylan picked up a book with 80 pages. He read the first
thirty-four pages. How many more pages would he need
to read to finish the book?
Dylan would need to read 46 pages to finish the book.
300
27-17
10
300
72-9=83-20
True (63)
300
784-677
107
300
Jermaine solved the following problem: 158-66. He got a difference of 92. Check with addition to see if Jermaine got the correct answer.
Yes. Jermaine did get the correct answer.
300
There are seventy-eight books and forty pencils on a
bookshelf. If 34 students each take one book, how many
books will remain?
44 books would remain.
400
25-16
9
400
58-49=43-34
9 true
400
500-54
446
400
Hilary solved the following problem: 955-460. She got a difference of 515. Check with addition to see if Hilary got the correct answer.
No. Hilary did not get the correct answer.
400
There are seventy-seven flowers blooming in the two
gardens. 35 of them are in the front garden. How many
flowers are blooming in the back garden?
There are 42 flowers blooming in the back garden.
500
76-57
19
500
86-24=88-25
false
500
900-77
823
500
Giannah solved the following problem: 754-645. She got a difference of 111. Check with addition to see if Giannah got the correct answer.
No. Giannah did not get the correct difference.
500
Sharky the dolphin chased 59 fish today. He caught twenty-seven of them. 13 of the fish escaped by hiding
behind rocks. How many fish got away from Sharky?